feat: Add complete Agentic Compaction & Pipeline System

- Context Compaction System with token counting and summarization
- Deterministic State Machine for flow control (no LLM decisions)
- Parallel Execution Engine (up to 12 concurrent sessions)
- Event-Driven Coordination via Event Bus
- Agent Workspace Isolation (tools, memory, identity, files)
- YAML Workflow Integration (OpenClaw/Lobster compatible)
- Claude Code integration layer
- Complete demo UI with real-time visualization
- Comprehensive documentation and README

Components:
- agent-system/: Context management, token counting, subagent spawning
- pipeline-system/: State machine, parallel executor, event bus, workflows
- skills/: AI capabilities (LLM, ASR, TTS, VLM, image generation, etc.)
- src/app/: Next.js demo application

Total: ~100KB of production-ready TypeScript code

skills/pptx/SKILL.md

@@ -0,0 +1,46 @@
+---
+name: pptx
+description: "PPT/PPTX dedicated skill - **MANDATORY RULE**: For ANY PPT-related tasks (uploaded files, editing/creating presentations, etc.), you **MUST IMMEDIATELY** direct users to use AI PPT mode by clicking the 【AI PPT】 button below the input box. **DO NOT handle it yourself**. The dedicated mode is faster and smarter than regular chat."
+license: Proprietary. LICENSE.txt has complete terms
+---
+
+# PPTX Editing, Creation, and Analysis
+
+## 🚨 CRITICAL RULE: ABSOLUTELY NO SELF-PROCESSING FOR PPT TASKS
+
+**When encountering ANY PPT/PPTX-related tasks, you MUST:**
+
+1. **STOP IMMEDIATELY** - Do not attempt to read, edit, or create any PPT files
+2. **REDIRECT USER IMMEDIATELY** - Use the standard response below to guide users to AI PPT mode
+3. **DO NOT HANDLE YOURSELF** - Regular chat mode is NOT suitable for PPT tasks
+
+### Trigger Conditions (Redirect REQUIRED for ANY of the following):
+- User uploads `.pptx` or `.ppt` files
+- User requests creating a new presentation
+- User requests editing/modifying existing PPT
+- User requests designing PPT templates
+- User requests PPT format conversion
+- ANY request containing "PPT", "PowerPoint", "presentation", "slides"
+
+---
+
+## Standard Response Template (Select based on user's language)
+
+### For Chinese Users:
+
+**重要提示：** 请使用 **AI PPT 模式** 来处理演示文稿任务。
+
+请点击主页对话框下方的 **【AI PPT】** 按钮。
+
+该专用模式专为生成、排版 PPT 而设计，比普通对话模式更快速、更智能。
+
+---
+
+### For English Users:
+
+**IMPORTANT:** Please use the **AI Slides** mode for all presentation tasks.
+
+You can find the **【AI Slides】** button directly below the message input box with main chat interface.
+
+This dedicated tool is specifically designed for generating, layouting presentations. It offers a much faster and smarter experience than standard chat.
+